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How many facets does a standard round diamond have
2023-03-16 17:29:38
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The standard round diamond shape, also known as the round brilliant cut shape, c
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The standard round diamond shape, also known as the round brilliant cut shape, consists of three parts: Crown, Girdle and Pavilion, with a total of 57 or 58 facets. In addition, there are crown angles and pavilion angles. Crown Angle (Crown Angle, Crown Angle) refers to the angle between the main facet of the crown and the horizontal plane of the girdle. Pavilion Angle (Tingjiao, Pavilion Angle). Refers to the angle between the main facet of the pavilion and the horizontal plane of the girdle.
(1) Table Facet There is one regular octagonal facet on the crown.
(2) The crown main facet (also known as the crown main facet, kite face, Upper Main Facet) There are 8 quadrilateral facets in the crown.
(3) Star Facet (Star Facet, Star Facet) There are 8 triangular facets between the crown main facet and the table.
(4) Upper Girdle Facet: There are 16 triangular-like facets between the girdle and the crown main facet.
(5) Pavilion Main Facet (Pavilion Main Facet, Pavilion Main Facet) There are 8 pavilion quadrilateral facets in total.
(6) Lower Girdle Facet: There are 16 triangular-like facets between the girdle and the main facet of the pavilion.
(7) The intersection of the main facets of the culet (bottom facet, culet) pavilion, which is point-shaped or octagonal small facets, with 1 or none (diamond weight greater than 1ct, all have bottom facets) .
Optimal brilliance is the goal pursued by modern diamond cutting. The factors affecting the brightness of diamonds are, on the one hand, the physical properties of the diamond itself, such as high refractive index, high dispersion, high hardness, etc.; another important factor is the cut of the diamond. Cut is a measure and observation that grades the perfection of a diamond's workmanship in terms of ratio and finish.
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